19 Materials, not of metal, for building and construction, namely, pre-cast building bricks, pre-cast wall forms, pre-cast wall boards, non-metal tiles for walls, floors or ceilings, non metal expansion joints for floors and walls; transportable buildings, not of metal; non-metallic prefabricated elements for building, namely, prefabricated non-metal building bricks, tiles and wall forms for use in constructing modular homes and buildings; non-metallic modular and reusable building elements, namely, non-metal modular and reusable pre-cast building bricks, tiles and wall forms; building elements made from biocomposite containing wood fiber, namely, pre-cast building bricks, tiles and wall forms made from biocomposite containing wood fiber; building elements made from recycled plastic, namely, pre-cast building bricks, tiles and wall forms made from recycled plastic; building elements of plastic, namely, pre-cast building bricks, tiles and wall forms made from plastic; building elements of wood, namely, pre-cast building bricks, tiles and wall forms made from wood; building elements of concrete, namely, pre-cast building bricks, tiles and wall forms made from concrete